Created
February 4, 2015 13:38
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async.eachSeries()
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| var async = require('async'); | |
| var arr = [1,2,3,4]; | |
| async.eachSeries(arr,function(item, cb){ | |
| setTimeout(function() { | |
| console.log('#1: ', item); | |
| return cb(); | |
| }, Math.random()*2000); | |
| }, function(err){ | |
| console.log('#1 Final call ', err); | |
| }); | |
| console.log('#1 should print first'); | |
| async.eachSeries(arr,function(item, cb){ | |
| setTimeout(function() { | |
| console.log('#2: ', item); | |
| return cb(); | |
| }, Math.random()*2000); | |
| }, function(err){ | |
| console.log('#2 Final call ', err); | |
| }); | |
| console.log('#2 should print second'); | |
| /* | |
| Example output: | |
| #1 should print first | |
| #2 should print second | |
| #2: 1 | |
| #1: 1 | |
| #1: 2 | |
| #2: 2 | |
| #1: 3 | |
| #1: 4 | |
| #1 Final call undefined | |
| #2: 3 | |
| #2: 4 | |
| #2 Final call undefined | |
| */ |
You probably don't need this in modern JS. Look to use something from promise-fun
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cant understand